def city_country(city_name,country):
    city_str = city_name+','+country
    return city_str
if __name__ == '__main__':
    test = city_country('Santiage','Chhile')
    print(test)
    test1 = city_country('bali', 'faguo')
    print(test1)
    test2 = city_country('huashendun', 'American')
    print(test2)
